Is this common?

I noticed it earlier today, not sure when it might've happened - but I wonder has it happend to any other members here? And do you think warranty will cover it (If I now would bother for this small reason)

If you can't see it on the picture, the back logo is falling off, the L is missing.

XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality.Are you a developer?